diff --git a/docs/en/unit/m5camera.md b/docs/en/unit/m5camera.md
index ca15efa6..35622cc0 100644
--- a/docs/en/unit/m5camera.md
+++ b/docs/en/unit/m5camera.md
@@ -89,41 +89,41 @@ The hardware also comes with some reserved weld pad, just in case you want put t
 
 **Camera Interface PinMap**
 
-| *Interface*             | *Camera Pin*| *M5Camera(A model)*  | *M5Camera(B model)*  |
-| :-------------------  | :--------:| :------:  | :------:  |
-| SCCB Clock            | SIOC      |IO23       |IO23       |
-| SCCB Data             | SIOD      |**IO25**       |**IO22**       |
-| System Clock          | XCLK      |IO27       |IO27       |
-| Vertical Sync         | VSYNC     |**IO22**       |**IO25**       |
-| Horizontal Reference  | HREF      |IO26       |IO26       |
-| Pixel Clock           | PCLK      |IO21       |IO21       |
-| Pixel Data Bit 0      | D2        |IO32       |IO32       |
-| Pixel Data Bit 1      | D3        |IO35       |IO35       |
-| Pixel Data Bit 2      | D4        |IO34       |IO34       |
-| Pixel Data Bit 3      | D5        |IO5        |IO5        |
-| Pixel Data Bit 4      | D6        |IO39       |IO39       |
-| Pixel Data Bit 5      | D7        |IO18       |IO18       |
-| Pixel Data Bit 6      | D8        |IO36       |IO36       |
-| Pixel Data Bit 7      | D9        |IO19       |IO19       |
-| Camera Reset          | RESET     |IO15       |IO15       |
-| Camera Power Down     | PWDN      | / | / |
-| Power Supply 3.3V     | 3V3       | 3V3       | 3V3       |
-| Ground                | GND       | GND       | GND       |
+| *Interface*             | *Camera Pin*| *M5Camera*  |
+| :-------------------  | :--------:| :------:  |
+| SCCB Clock            | SIOC     |IO23       |
+| SCCB Data             | SIOD     |**IO22**       |
+| System Clock          | XCLK     |IO27       |
+| Vertical Sync         | VSYNC    |**IO25**       |
+| Horizontal Reference  | HREF     |IO26       |
+| Pixel Clock           | PCLK     |IO21       |
+| Pixel Data Bit 0      | D2       |IO32       |
+| Pixel Data Bit 1      | D3       |IO35       |
+| Pixel Data Bit 2      | D4       |IO34       |
+| Pixel Data Bit 3      | D5       |IO5        |
+| Pixel Data Bit 4      | D6       |IO39       |
+| Pixel Data Bit 5      | D7       |IO18       |
+| Pixel Data Bit 6      | D8       |IO36       |
+| Pixel Data Bit 7      | D9       |IO19       |
+| Camera Reset          | RESET    |IO15       |
+| Camera Power Down     | PWDN     | / |
+| Power Supply 3.3V     | 3V3      | 3V3       |
+| Ground                | GND      | GND       |
 
 **GROVE Interface**
 
-| *Grove*         | *M5Camera(A model)*  | *M5Camera(B model)*  |
-| :-----------: | :------:  | :------:  |
-| SCL           | IO13      | IO13      |
-| SDA           | **IO12**      | **IO4**      |
-| 5V            | 5V        | 5V        |
-| GND           | GND       | GND       |
+| *Grove*         | *M5Camera*  |
+| :-----------: | :------:  |
+| SCL           | IO13      |
+| SDA           | **IO4**      |
+| 5V            | 5V        |
+| GND           | GND       |
 
 **LED Interface**
 
-| *LED*         | *M5Camera(A model)*  | *M5Camera(B model)*  |
-| :-----------: | :------:  | :------:  |
-| LED_Pin       | IO14      | IO14      |
+| *LED*         |*M5Camera*  |
+| :-----------:| :------:  |
+| LED_Pin      | IO14      |
 
 **The following tables are Reserved Chip Interfaces**
 
@@ -131,27 +131,26 @@ The hardware also comes with some reserved weld pad, just in case you want put t
 
 *I2C address 0x76.*
 
-| *BME280*         | *M5Camera(A model)*  | *M5Camera(B model)*  |
-| :-----------: | :------:  | :------:  |
-| SCL           | IO23      | IO23      |
-| SDA           | IO22      | IO22      |
-
+| *BMP280*      |*M5Camera*  |
+| :-----------: | :------:  |
+| SCL           | IO23      |
+| SDA           | IO22      |
 
 **MPU6050 Interface**
 
 *I2C address 0x68.*
 
-| *MPU6050*         | *M5Camera(A model)*  | *M5Camera(B model)*  |
-| :-----------: | :------:  | :------:  |
-| SCL           | IO23      | IO23      |
-| SDA           | IO22      | IO22      |
+| *MPU6050*     | *M5Camera*  |
+| :-----------: | :------:  |
+| SCL           | IO23      |
+| SDA           | IO22      |
 
 **MIC(SPM1423) Interface**
 
-| *MIC(SPM1423)*     | *M5Camera(A model)*  | *M5Camera(B model)*  |
-| :-----------: | :------:  | :------:  |
-| SCL           |IO2|IO2|
-| SDA           |IO4|IO4|
+| *MIC(SPM1423)*     | *M5Camera*  |
+| :-----------: | :------: |
+| CLK           |IO4|
+| DATA           |IO2|
 
 
 
@@ -174,27 +173,14 @@ The hardware also comes with some reserved weld pad, just in case you want put t
 
 ### Firmware
 
-- **[A Model](https://github.com/m5stack/m5stack-cam-psram/tree/master/uart/firmware/Camera%20A)**
+- **[M5Camera](https://github.com/m5stack/m5stack-cam-psram/tree/master/wifi/wifi_sta/firmware/Camera%20B)**
 
-- **[B Model](https://github.com/m5stack/m5stack-cam-psram/tree/master/uart/firmware/Camera%20B)**
 
 ### Example
 
-**A Model：**
-
- - **[Face recognition](https://github.com/m5stack/m5stack-cam-psram/tree/master/face_recognize/firmware/Camera%20A)**
-
- - **[Serial communication-A Model](https://github.com/m5stack/m5stack-cam-psram/tree/master/uart/firmware/Camera%20A)**
-
- - **[Serial communication-M5Core](https://github.com/m5stack/m5stack-cam-psram/tree/master/uart/arduino)**（The serial communication routine is the communication between the camera and the M5Core.）
-
- - **[QRcode](https://github.com/m5stack/m5stack-cam-psram/tree/master/qr/firmware/Camera%20A)**
-
-**B Model：**
-
  - **[Face recognition](https://github.com/m5stack/m5stack-cam-psram/tree/master/face_recognize/firmware/Camera%20B)**
  
- - **[Serial communication-B Model](https://github.com/m5stack/m5stack-cam-psram/tree/master/uart/firmware/Camera%20B)**
+ - **[Serial communication-M5Camera](https://github.com/m5stack/m5stack-cam-psram/tree/master/uart/firmware/Camera%20B)**
 
  - **[Serial communication-M5Core](https://github.com/m5stack/m5stack-cam-psram/tree/master/uart/arduino)**（The serial communication routine is the communication between the camera and the M5Core.）
 
diff --git a/docs/zh_CN/unit/m5camera.md b/docs/zh_CN/unit/m5camera.md
index 9c8c52ed..6afb298e 100644
--- a/docs/zh_CN/unit/m5camera.md
+++ b/docs/zh_CN/unit/m5camera.md
@@ -81,41 +81,41 @@
 
 **摄像头驱动芯片 OV2640 接口**
 
-| *接口*             | *Camera Pin*| *M5Camera(A model)*  | *M5Camera(B model)*  |
-| :-------------------  | :--------:| :------:  | :------:  |
-| SCCB Clock            | SIOC     |IO23       |IO23       |
-| SCCB Data             | SIOD     |**IO25**       |**IO22**       |
-| System Clock          | XCLK     |IO27       |IO27       |
-| Vertical Sync         | VSYNC    |**IO22**       |**IO25**       |
-| Horizontal Reference  | HREF     |IO26       |IO26       |
-| Pixel Clock           | PCLK     |IO21       |IO21       |
-| Pixel Data Bit 0      | D2       |IO32       |IO32       |
-| Pixel Data Bit 1      | D3       |IO35       |IO35       |
-| Pixel Data Bit 2      | D4       |IO34       |IO34       |
-| Pixel Data Bit 3      | D5       |IO5        |IO5        |
-| Pixel Data Bit 4      | D6       |IO39       |IO39       |
-| Pixel Data Bit 5      | D7       |IO18       |IO18       |
-| Pixel Data Bit 6      | D8       |IO36       |IO36       |
-| Pixel Data Bit 7      | D9       |IO19       |IO19       |
-| Camera Reset          | RESET    |IO15       |IO15       |
-| Camera Power Down     | PWDN     | / | / |
-| Power Supply 3.3V     | 3V3      | 3V3       | 3V3       |
-| Ground                | GND      | GND       | GND       |
+| *接口*             | *Camera Pin* | *M5Camera*  |
+| :-------------------  | :--------:| :------:  |
+| SCCB Clock            | SIOC     |IO23       |
+| SCCB Data             | SIOD     |**IO22**       |
+| System Clock          | XCLK     |IO27       |
+| Vertical Sync         | VSYNC    |**IO25**       |
+| Horizontal Reference  | HREF     |IO26       |
+| Pixel Clock           | PCLK     |IO21       |
+| Pixel Data Bit 0      | D2       |IO32       |
+| Pixel Data Bit 1      | D3       |IO35       |
+| Pixel Data Bit 2      | D4       |IO34       |
+| Pixel Data Bit 3      | D5       |IO5        |
+| Pixel Data Bit 4      | D6       |IO39       |
+| Pixel Data Bit 5      | D7       |IO18       |
+| Pixel Data Bit 6      | D8       |IO36       |
+| Pixel Data Bit 7      | D9       |IO19       |
+| Camera Reset          | RESET    |IO15       |
+| Camera Power Down     | PWDN     | / |
+| Power Supply 3.3V     | 3V3      | 3V3       |
+| Ground                | GND      | GND       |
 
 **GROVE 接口**
 
-| *Grove*         | *M5Camera(A model)*  | *M5Camera(B model)*  |
-| :-----------: | :------:  | :------:  |
-| SCL           | IO13      | IO13      |
-| SDA           | **IO12**      | **IO4**      |
-| 5V            | 5V        | 5V        |
-| GND           | GND       | GND       |
+| *Grove*         | *M5Camera*  |
+| :-----------: | :------:  |
+| SCL           | IO13      |
+| SDA           | **IO4**      |
+| 5V            | 5V        |
+| GND           | GND       |
 
 **LED 接口**
 
-| *LED*         | *M5Camera(A model)*  | *M5Camera(B model)*  |
-| :-----------:| :------:  | :------:  |
-| LED_Pin      | IO14      | IO14      |
+| *LED*         |*M5Camera*  |
+| :-----------:| :------:  |
+| LED_Pin      | IO14      |
 
 **以下为预留的IC接口**
 
@@ -123,25 +123,25 @@
 
 *IIC 地址是 0x76*
 
-| *BMP280*         | *M5Camera(A model)*  | *M5Camera(B model)*  |
-| :-----------: | :------:  | :------:  |
-| SCL           | IO23      | IO23      |
-| SDA           | IO22      | IO22      |
+| *BMP280*      |*M5Camera*  |
+| :-----------: | :------:  |
+| SCL           | IO23      |
+| SDA           | IO22      |
 
 
 **MPU6050 接口**
 
-| *MPU6050*         | *M5Camera(A model)*  | *M5Camera(B model)*  |
-| :-----------: | :------:  | :------:  |
-| SCL           | IO23      | IO23      |
-| SDA           | IO22      | IO22      |
+| *MPU6050*     | *M5Camera*  |
+| :-----------: | :------:  |
+| SCL           | IO23      |
+| SDA           | IO22      |
 
 **MIC(SPM1423) 接口**
 
-| *MIC(SPM1423)*     | *M5Camera(A model)*  | *M5Camera(B model)*  |
-| :-----------: | :------:  | :------:  |
-| CLK           |IO4|IO4|
-| DATA           |IO2|IO2|
+| *MIC(SPM1423)*     | *M5Camera*  |
+| :-----------: | :------: |
+| CLK           |IO4|
+| DATA           |IO2|
 
 <img src="assets/img/product_pics/unit/m5camera/unit_m5camera_04.jpg" width="30%" height="30%">
 
@@ -162,27 +162,13 @@
 
 ### 出厂固件（WiFi传输图像）
 
-- **[A Model](https://github.com/m5stack/m5stack-cam-psram/tree/master/wifi/wifi_sta/firmware/Camera%20A)**
-
-- **[B Model](https://github.com/m5stack/m5stack-cam-psram/tree/master/wifi/wifi_sta/firmware/Camera%20B)**
+- **[M5Camera](https://github.com/m5stack/m5stack-cam-psram/tree/master/wifi/wifi_sta/firmware/Camera%20B)**
 
 ### 例程
 
-**A Model：**
-
- - **[人脸识别](https://github.com/m5stack/m5stack-cam-psram/tree/master/face_recognize/firmware/Camera%20A)**
-
- - **[串口通信-A Model](https://github.com/m5stack/m5stack-cam-psram/tree/master/uart/firmware/Camera%20A)**
-
- - **[串口通信-M5Core](https://github.com/m5stack/m5stack-cam-psram/tree/master/uart/arduino)**（串口通信例程为，摄像头与M5Core之间通信）
-
- - **[QRcode识别](https://github.com/m5stack/m5stack-cam-psram/tree/master/qr/firmware/Camera%20A)**
-
-**B Model：**
-
  - **[人脸识别](https://github.com/m5stack/m5stack-cam-psram/tree/master/face_recognize/firmware/Camera%20B)**
  
- - **[串口通信-B Model](https://github.com/m5stack/m5stack-cam-psram/tree/master/uart/firmware/Camera%20B)**
+ - **[串口通信-M5Camera](https://github.com/m5stack/m5stack-cam-psram/tree/master/uart/firmware/Camera%20B)**
 
  - **[串口通信-M5Core](https://github.com/m5stack/m5stack-cam-psram/tree/master/uart/arduino)**（串口通信例程为，摄像头与M5Core之间通信）